Global Patent Index - EP 2225783 A4

EP 2225783 A4 20131002 - SEMICONDUCTOR LIGHT EMITTING DEVICE

Title (en)

SEMICONDUCTOR LIGHT EMITTING DEVICE

Title (de)

LICHTEMITTIERENDES HALBLEITERBAUELEMENT

Title (fr)

DISPOSITIF ÉLECTROLUMINESCENT À SEMICONDUCTEURS

Publication

EP 2225783 A4 20131002 (EN)

Application

EP 08869039 A 20081224

Priority

  • KR 2008007666 W 20081224
  • KR 20080000841 A 20080103

Abstract (en)

[origin: WO2009084860A2] Embodiments provide a semiconductor light emitting device which comprises a light emitting structure comprising a plurality of compound semiconductor layers, an insulation layer on an outer surface of the light emitting structure, an ohmic layer under the light emitting structure and on an outer surface of the insulation layer, a first electrode layer on the light emitting structure, and a tunnel barrier layer between the first electrode layer and the ohmic layer.

IPC 8 full level

H01L 25/16 (2006.01); H01L 33/38 (2010.01); H01L 33/44 (2010.01)

CPC (source: EP US)

H01L 25/167 (2013.01 - EP US); H01L 33/385 (2013.01 - EP US); H01L 33/44 (2013.01 - EP US); H01L 2924/0002 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2009084860 A2 20090709; WO 2009084860 A3 20090903; CN 101911321 A 20101208; CN 101911321 B 20120704; EP 2225783 A2 20100908; EP 2225783 A4 20131002; EP 2225783 B1 20210519; KR 101438811 B1 20140905; KR 20090075076 A 20090708; US 2011001145 A1 20110106; US 8237185 B2 20120807

DOCDB simple family (application)

KR 2008007666 W 20081224; CN 200880123975 A 20081224; EP 08869039 A 20081224; KR 20080000841 A 20080103; US 44711808 A 20081224